Malalek, Jindaporn. “Conceptual Framework for Establishing a Preventive Maintenance System for the Barkey Plasmatherm Blood Warmer in Hospitals”. Siriraj Medical Bulletin 19, no. 1 (January 1, 2026): 9–16. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/simedbull/article/view/276780.